4471381 has 2 divisors, whose sum is σ = 4471382. Its totient is φ = 4471380.

The previous prime is 4471349. The next prime is 4471387. The reversal of 4471381 is 1831744.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3740356 + 731025 = 1934^2 + 855^2 .

It is a cyclic number.

It is not a de Polignac number, because 4471381 - 2⁵ = 4471349 is a prime.

It is a super-2 number, since 2×4471381² = 39986496094322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4471387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2235690 + 2235691.

It is an arithmetic number, because the mean of its divisors is an integer number (2235691).

Almost surely, 2^4471381 is an apocalyptic number.

It is an amenable number.

4471381 is a deficient number, since it is larger than the sum of its proper divisors (1).

4471381 is an equidigital number, since it uses as much as digits as its factorization.

4471381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2688, while the sum is 28.

The square root of 4471381 is about 2114.5640212583. The cubic root of 4471381 is about 164.7456257958.

The spelling of 4471381 in words is "four million, four hundred seventy-one thousand, three hundred eighty-one".